The average IQ score, by definition, is 100. People who take IQ tests are compared to each other, and the average score is placed at 100.Know More
However, IQ scores change over time. While some make the argument that IQ scores are immutable and can't be changed by external factors, Jim Flynn has shown that IQ scores have risen in much of the world since approximately 1930.
There is no single IQ test, and individuals might have significantly different scores on different tests. Although scores between different tests tend to correlate fairly well, it's possible for someone who scores below average on one type of test to score above average on another.Learn more about Biology
The definition of ecosystem is a system that is formed by a community of organisms interacting with their environment. Both living and nonliving things within a particular area make up the ecosystem.Full Answer >
Porifera, which means pore bearer, is a phylum that includes the organisms known as sponges. Sponges consist of a jelly-like substance between two layers of cells and are found in freshwater and marine habitats.Full Answer >
Living things are organisms that display the key characteristics of life. These characteristics include the ability to grow, reproduce, take in and use energy, excrete waste, respond to the environment, and possess an organized structure more complex than that of non-living things.Full Answer >
First-level consumers are animals or organisms that feed exclusively on producers or plants. First-level consumers can also be referred to as herbivores, and usually come at the second stage of the food chain.Full Answer >